Finding the Fourth Proportional to 47,300.79, 70,958.48 and 16,128.75

Step by Step Solution

1. Step 1: Write the proportion equation
   47,300.79 : 70,958.48 = 16,128.75 : x
2. Step 2: Convert to fraction form
   47,300.79/70,958.48 = 16,128.75/x
3. Step 3: Cross multiply
   47,300.79x = 70,958.48 × 16,128.75
4. Step 4: Simplify right side
   47,300.79x = 1,144,471,584.30
5. Step 5: Solve for x
   x = 1,144,471,584.30/47,300.79
6. Step 6: Final answer
   x = 24,195.61